On Wed, Dec 9, 2020 at 5:45 PM Alexandru Ardelean <ardeleanalex@xxxxxxxxx> wrote: > On Wed, Dec 9, 2020 at 5:37 PM Andy Shevchenko > <andy.shevchenko@xxxxxxxxx> wrote: > > On Thu, Dec 3, 2020 at 11:55 AM Alexandru Ardelean > > <alexandru.ardelean@xxxxxxxxxx> wrote: ... > > Are you sure there is no user space application that doesn't rely on > > character device to be always present? > > Nope. > I'm not sure. > I'm also not completely sure how Jonathan feels about this patch being > added now [so late]. > > Though, technically if the chardev was already there, without all the > control in place [to enable IIO buffers and other stuff through the > chardev] then it's technically just a "marker" file. > Which arguably is a lot to have (i.e. chardev that should be unusable). > > If it is usable with no control in place for buffers or other stuff > (i.e. I missed something), then I also don't know. > > So, this patch on it's own can still be interpreted as an RFC. > See: > https://lore.kernel.org/linux-iio/20201121180246.772ad299@archlinux/ Don't take me wrong, I'm not against a good change (I doesn't like dangling files), but it might break some use cases. -- With Best Regards, Andy Shevchenko